event: fixed typos and updated CMakeLists

src/core/CMakeLists.txt

@@ -34,6 +34,7 @@ set(SRCS    core.cpp
             hle/config_mem.cpp
             hle/coprocessor.cpp
             hle/svc.cpp
+            hle/kernel/event.cpp
             hle/kernel/kernel.cpp
             hle/kernel/mutex.cpp
             hle/kernel/thread.cpp

src/core/hle/kernel/event.h

@@ -16,7 +16,7 @@ namespace Kernel {
  * @param handle Handle to event to change
  * @param locked Boolean locked value to set event
  */
-void SetEventLocked(const Handle handle, const bool locked)
+void SetEventLocked(const Handle handle, const bool locked);
 
 /**
  * Clears an event